Log in Start free

Vulnerability · Published Jan 14, 2021 · Assigned by apache

CVE-2021-23926XMLBeans XML Entity Expansion

Critical 9.1

In plain English

A critical-severity security flaw in Apache XMLBeans from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 6.3% (higher than 94% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)6.3%top 6.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12xmlbeans3.0.2-1DEBIAN-CVE-2021-23926
Debian:13xmlbeans3.0.2-1DEBIAN-CVE-2021-23926
Debian:14xmlbeans3.0.2-1DEBIAN-CVE-2021-23926
Mavenorg.apache.xmlbeans:xmlbeans3.0.0GHSA-mw3r-pfmg-xp92

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache XMLBeans Apache XMLBeans – through 2.6.0

References